Patty machine



M. BURK Feb. 2, 1937.

PATTY MACHINE Filed Aug. 14, 1935 5 Sheets-Sheet l A llorney Feb. 2, 1937. R 2,069,696

PATTY MACH INE Filed Aug. 14, 1935 5 Sheets-Sheet 2 Invenlor Feb. 2, 1937. M. BURK 2,069,696

PATTY MACHINE Attorney M. BURK PATTY MACHINE Feb. 2, 1937.

5 Sheets-Sheet 4 Filed Aug. 14, 1935 Feb. 2, 1937. ,M BURK 2,069,696

PA'TTY MACHINE Filed Aug. 14; 1955 5 Sheets-Sheet 5 \q Inuenlor N M, Burl Patented Feb. 2, 1937 UNlTE ATENT OFFICE 3 Claims.

The present invention relates to new and useful improvements in patty machines particularly for use in making patties or cakes from ground meat, although it will be understood that the apparatus may be used for making patties from any other foods desired.

The primary object of the present invention is to provide, in a manner as hereinafter set forth, a machine of the aforementioned character embodying a novel construction, combination and arrangement of parts through the medium of which patties or cakes having a more appetizing and attractive appearance may be rapidly formed.

Another very important object of the invention is to provide a machine of the character described embodying a press for flattening the patties or cakes, together with novel means for automat ically severing the material from the press after said press has functioned.

Other objects of the invention are to provide a machine of the character set forth which will be comparatively simple in construction, strong, durable, highly efiicient and reliable in use, compact, light in weight, portable, and which may be manufactured at low cost.

All of the foregoing and still' further objects and advantages of the invention will become apparent from a study of the following specification, taken in connection with the accompanying drawings wherein like characters of reference designate corresponding parts throughout the several views, and wherein:

Figure 1 is a top plan view of a machine constructed in accordance with the present invention.

Figure 2 is a View in side elevation thereof.

Figure 3 is a detail view in top plan of the press.

Figure 4 is a bottom plan view of the knife unit.

Figure 5 is a perspective view of a corner portion of the press.

Figure 6 is a perspective view of an end portion of one of the series of knives.

Figure '7 is a bottom plan view of an end portion of one of the series of knives.

Figure 8 is a vertical sectional view through the press and knife units.

Figures 9 and 10 are vertical sectional views, taken at different points through the press.

Figure 11 is a vertical sectional view through a corner portion of the press.

Figure 12 is a detail view in vertical section through one side of the Wire knife unit, showing the means for anchoring the spacing rods in the side bars.

Figure 13 is a plan View of the wire knife unit.

Figure 14 is a horizontal sectional View through a portion of the wire knife unit.

Figure 15 is a detail view in perspective of the drive connection between the wire severing knives and the knife unit.

Referring now to the drawings in detail, it will be seen that the embodiment of the invention which has been illustrated comprises a base I from which an angular arm 2 rises. Mounted on the base I is a plate or block of any suitable material which provides a platform 3. On the free end of the arm 2 is a housing 4 in which a rack bar 5 is mounted for vertical sliding movement. Journal-ed transversely in the housing 4 is a shaft 5 having fixed thereon a gear 6 which is operatively engaged with the rack bar 5. Also fixed on the shaft 5 is a hand lever l. A spring 8 is engaged with the lever 1 for returning the rack bar 5 to raised position.

Mounted on the lower end of the rack bar 5 is a knife unit which is designated generally by the reference numeral 9. The unit 9 includes a plate Ill from which a socket l l rises for the reception of the lower end portion of the rack bar 5. The plate 10 is removably secured to the rack bar 5 through the medium of a set screw 12. Removably secured in the lower side of the plate I0 is a plurality of spaced, parallel bars l3 from which substantially cross-shaped knives M depend. It may be well to here state that the knives l4 may be of any desired shape, according to the design which it is desired to make in the patties or cakes.

Mounted beneath the knife unit 9 is a press which is designated generally by the reference numeral l5. The press I5 comprises a plate l6 having openings l1 formed therein for the passage of the knives M. It will be observed that the openings ll conform substantially in shape to the knives I4. The plate I6 is suspended beneath the knife unit 9 for vertical movement relative to saidknife unit through the medium of guides l8, said guides l8 being in the form of thumb screws threadedly engaged for adjustment in the plate l6 and extending slidably through the plate 16 of said unit 9. Coil springs I9 encircle the guides l8 and yieldingly urge the press l5 downwardly.

Extending upwardly into the plate l6 from' the lower side thereof and in a manner to provide depending walls or flanges 20, is a pressing or molding chamber 2|. In a pair of the walls 20 longitudinally extending slots 22 are provided which communicate with the chamber 2|.

unit 9,' thus completing the operation.

V followsz Mounted on the walls 20 in which the slots 22 are formed are guides 23 in which bars 24 are slidably mounted. Spacing rods 25 extend between the end portions of the bars 24, said rods .pass- 3 ing through the slots 22 and traversing the chamber 2|. Extending back and forthbetween the 'bars, 24fis a wire which provides a plurality of V spaced, parallel severing knives2'l Vin the up'pert portion of the chamber 2|, the ends of said wire being anchored-in the bars 2 4. This is shown 7 to advantageinl igures 1s, and 14 gr the drawings. A pair of links 28 operatively connects the bars 24 to the plate ill in a manner to actuate said bars against thetension of coil-springs 29.- Adjustable stops 30 are threadedly mounted in V rack bar 5 As'the press [,5 moves downwardly. the chamber 2! therein'receives theome at and substantially flattens and otherwise molds said meat toithe desired form, When the press [5,

reaches the limit of its dovmwardmovement and is arrested by the adjustable stops 30, the unit 9 may continue to move downwardly against the tension of the coil springs I9, As the unit'9 moves downwardly relative to the now stationary press [5 thelinks28 shift the bars '24, together with lthej knives 21,, against the tensien, of the springs 29 :"Ifl1e knives- [4 .then' pass through the openings ILinthe plate l6 and make the desired .ornamental-indentations or designs the meat or other material. Any suitablemeans may, if desirable or necessary, be provided for limiting the depth to which the. knives 1 4; may

penetrate the meatoor other material. When 7 the-rack bar 5 moves upwardly, the knives I4 are withdrawn from the openings ll. After the knives I4 clear the chamber}! the knives 2'1 are'moved back across the openings l5 andsever the meat or other material which may other- ;wise cling or adhere to the'lower side oftheplate It. The press is-then picked up by the guides Jll and said press is elevated with the knife 7 It; is believed that the manyi advantages of a machine constructedin accordance with the present invention will be readilyunderstood, and although a preferred embodiment of the device "is-as illustrated and described, it is'to be understood'that changesinthe details of construction and V in the combination and arrangement or parts may be resorted to which will fall within the scope of the invention as claimed;

What is claimed is:

1. A patty machine comprising a base forsdpportinglthe material from which the patty is 2,069,696 7 V V V 7 "made, a vertically movable knife unit mounted a above said base, means for raising and-loweringsaid knife unit, a pressyieldingly suspended operation of the machine is as eating with the chamber for the passageofith beneath the knife unit and'operatively engageable with the material, horizontally movable iisf knives on the press for removing the material therefrom, the vertically movable knife unit including a gang of knives operatively engageable with the material'for making indentations therein, the presshaving openings thereino'for. the

I passage of the vertically movablekniyes, and means on the knifeunitfor' actuating the hori- V zentally movable knives. V 7 A patty machine comprising a base, said base being adapted to support the material' from which the patty is made, a vertically movable knife unit mounted above the base, means for' raising and loweringjhe; knife unit, a: press yieldingly suspended beneath the knife unit and. operatively engageable with'the material, said press including a plate having a; chamber therein for the reception of the materialfcer'tain of the walls of the chamber having slots therein,

bars slidably mounted onfs aid certain walls;

severing knives extending between the barsi'fofi' removing the materialfronrthe plate, resilient means for actuating the bars in one 'directibni the vertically movable knife unit including'fa gang of depending knives operatively engageabie" with the material for making,indentationstlieiein, the plate having openings therein comm vertically movable knives,jand'links operatively 7 connecting the-bars to the -vertieally knife unit for actuating said barsagainst thegas:

tension of said resilient means, r V t 3. A patty machine comprising a base, a pl V form mounted on said basefor receiving the "1 f terial from which the patty is aegan rising from-the'base, a housing ,onl'the, free (1* of said; arm-,a rack bar mounted "for'vertical sliding movement in the housing, means in trie;

housing for raising'and lowering saidrackbaf, a vertically movable" knife unitmonhted on the lower end of the rack bar, said knife unit in eluding a plate, a, gangof knives depending from 7 the plate and operatively engageable Withthe j material, a press yieldingly suspended beneath? theknife unit and dperat'ively engageable'wlth" the material, said press including aplate my; ing a chamber therein for the receptioriof'the' material, said plate further having openings therein for the passage of'the severing knivTes'fa plurality of knives slidably mounted on the stic! ond-named plate and traversing thechambfl for severing the material from said, second named plate, links operatively connecting Tithe first named plate to the severing knivsjl'or 97c tuating saidsecond-namedknives in one 'direc-' tion, and springs operatively connected to 'the knives for moving the severing'knives in the; ,1

opposite direction. V V V MELVIN B URKIi 

